kingdom: Animalia >
phylum: Arthropoda >
class: Insecta >
order: Coleoptera >
superfamily: Dytiscoidea >
family: Dytiscidae Leach, 1815 >
subfamily: Dytiscinae Leach, 1815 >
tribe: Hydaticini Sharp, 1880 >
genus: Hydaticus Leach, 1817 >
subgenus: Prodaticus Sharp, 1882 >
Australia